If you ask most Burning Man attendees what the annual MDMA and enlightenment mecca is about, they'll probably reference one of the Ten Principles laid out a decade ago by cofounder Larry Harvey: "Communal Effort," maybe. "Radical Self-reliance." The vow to "Leave No Trace" in the Nevada desert.»9/03/14 6:06pm 9/03/14 6:06pm